// 云函数入口文件
const cloud = require('./node_modules/wx-server-sdk')

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})
cloud.init()
const db = cloud.database();
const _=db.command
// 云函数入口函数
exports.main = async (event, context) => {
  var result=await db.collection('movements').where({
    _id:event.id,
  }).update({
    data:{
      comment:_.inc(1)
    }
  })
  return result
}